Residents in Commerce City demand change in pollution 02:31. Soon, people from across Colorado will have a chance to give input about the enforcement of environmental issues where they live.

Colorado lawmakers in 2025 took on a wide variety of environmental and climate change issues, from the definition of clean energy to the fate of roaming bison.

Those are just some of the Colorado projects on life support ... Lee Zeldin has called environmental justice “an excuse to fund left-wing activists” rather than fix actual environmental issues.

While the Trump administration rolls back environmental regulations, Colorado is ensuring the state will continue to address climate change. On Wednesday, The Environmental Protection Agency (EPA ...

The Environmental Protection Agency on Wednesday signaled it no longer believes Colorado can mandate utility companies close ...

More than 100 major environmental requirements have been added to state laws since 2009, the Common Sense Institute says, and those have shaved $32 billion from Colorado’s economic output.

Pine beetle kill is an environmental impact along large sections of the Colorado Trail, like seen here on Segment 17 from Sargents Mesa to Hwy 114 in central Colorado.

The Biggest Tech and Environmental Issues to Watch in 2025 Climate remains the top environmental concern but "forever chemicals" are more likely to see bipartisan action. Jan. 16, 2025 ...